[Patch] Implementation of n3793 <experimental/optional>

[Luc Danton]

On 2013-10-22 11:46, Paolo Carlini wrote:
> Hi,
>
> On 10/18/2013 08:06 AM, Luc Danton wrote:
>> There are still three tests that unexpectly fail, which prompted me 
>> to file a bug
>> (http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58777).
> In order to start making progress on this, can you xfail for now the 
> specific testcases which are failing, with a comment pointing to 
> 58777? Then I can apply your patch to my svn tree. If, besides, the 
> xfails and minor issues like tweaks to the Makefile, testing goes 
> well, I don't see why we shouldn't apply the patch!
>
> Thanks,
> Paolo.

This should do the trick.
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